Relational Schema Diagram In Dbms

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Relational Schema Diagram In Dbms. A database schema defines its entities and the relationship among them. It can use the same name and same set of attributes as the entity set.

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Its the database designers who design the schema to help programmers understand the database and make it useful. We will use the student-section-course database as an example. The overall description of the database is called the database schema.

A database schema is the collection of relation schemas for a whole database.

A relation is defined as of data representing multiple occurrences of an object event or agent. Relational Model was proposed by EF. A relational database schema is an arrangement of relation states in such a manner that every relational database state fulfills the integrity constraints set on a relational database schema. Relation schema defines what the name of the table is.